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Irina-Kira [14]
2 years ago
5

Expand and simplify (x-3)(2x+1)(3x_2)​

Mathematics
1 answer:
castortr0y [4]2 years ago
5 0

Step-by-step explanation:

Did you mean

= (x - 3)(2x + 1)(3x - 2)

= (2x² + x - 6x - 3)(3x - 2)

= (2x² - 5x - 3)(3x - 2)

= 6x³ - 4x² - 15x² + 10x - 9x + 6

= 6x³ - 19x² + x + 6

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−2x−(−5−4x)=−5(2x−7)
hoa [83]

Answer:

<em>x = 2.5</em>

Step-by-step explanation:

- 2x - ( - 5 - 4x ) =  - 5 ( 2x - 7 )

- 2x + 5 + 4x = - 10x + 35

- 2x + 5 + 4x = - 10x + 35

- 2x + 4x + 10x = 35 - 5

12x = 30

<em>x = </em>\frac{5}{2}<em> = 2.5</em>

Check the answer:

<em>L.H.S.</em> = - 2(2.5) - [ - 5 - 4(2.5) ] = <em>10</em>

<em>R.H.S.</em> = - 5 [ 2(2.5) - 7 ] = <em>10</em>

6 0
2 years ago
An 8-foot ladder is leaning against a wall. The top of the ladder is 5.5 feet from the ground.
Kobotan [32]

my guess would be c. but id wait for someone else to answer just to be sure

3 0
3 years ago
2. Starting at a fixed time, each car entering an intersection is observed to see whether it turns left (L), right (R), or goes
jasenka [17]

Answer:

Natural numbers (integers greater than zero)

X = 3,  5,  4,  4,  3

Step-by-step explanation:

The least number of cars that can be observed in this experiment is 1, if the first car turns left. On the other hand, the experiment could go on forever if no car ever turns left, thus the highest number of cars approaches infinite.

The possible values of X are integers greater than zero, which are known as the Natural numbers.

If X = number of cars observed, simply count the number of letters in each outcome for the value of X:

Outcome = RRL, AARRL, AARL, RRAL, ARL

            X = 3,  5,  4,  4,  3

7 0
3 years ago
In geometry a train metal tracks and Wooden ties would be Parrell, Skew, perpendicular or none??
Nadusha1986 [10]

Answer: They would be Parrellel


Step-by-step explanation:


7 0
3 years ago
NEED MAJOR HELP WITH HW! ps: will make brainliest!
Solnce55 [7]
1.2/5
2.1/30
3.4/5 of 45 minutes is 36 minutes
4.7/10
5.3/14
6.12/30
7.1/2
8.5/16
9.3/12
3.3/20

7 0
3 years ago
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